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1. Media-documented lockdown incidents in UK schools

  • A Schools Week investigation counted 117 separate reported lockdown incidents in UK schools since 1 January of the “current” year (i.e. within ~10 months) affecting nearly 100,000 pupils.
    Schools Week

  • Of those incidents, ~38% were triggered by events near the school (weapon sightings, protests, intruder threats), ~21% by malicious communications (threats, hoax emails), and ~18% by suspected intruders on site.
    Schools Week

These figures suggest that (at least by media reporting) lockdowns are not extremely rare. But: this is not official / verified data, and likely undercounts many small or unreported incidents.

2. Risk mitigation activity in schools

  • Schools (in the UK) are increasingly reviewing their invacuation / lockdown procedures, installing or planning for intruder alert systems, “knife arches,” and more robust physical security measures.
    teachingtimes.com

  • Lockdown drills (sometimes mimicking US “hide and be quiet” style drills) are being adopted by more UK schools, as part of a trend in school security policy.
    The Times+2teachingtimes.com+2

  • Some schools have already closed gates, locked doors, or sealed classrooms in response to “credible threat” emails in regions like Yorkshire, Greater Manchester, and Cheshire.
    schoollockdownsystem.co.uk+1

3. Data gaps & challenges

  • No centralised UK government dataset recording annual counts of school lockdown events over the past 5 years (or even 10 years).

  • Much of what is documented comes from news reporting or investigative journalism, which is subject to selection bias.

  • Some past reports and videos of lockdown drills have been misattributed or misdated (e.g. a video circulated in 2025 was actually from 2017)
    Full Fact

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